00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkHeap.h,v $ 00005 Language: C++ 00006 00007 Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 00008 All rights reserved. 00009 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00010 00011 This software is distributed WITHOUT ANY WARRANTY; without even 00012 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00013 PURPOSE. See the above copyright notice for more information. 00014 00015 =========================================================================*/ 00049 #ifndef __vtkHeap_h 00050 #define __vtkHeap_h 00051 00052 #include "vtkObject.h" 00053 00054 //BTX 00055 class VTK_COMMON_EXPORT vtkHeapNode 00056 { 00057 public: 00058 void* Ptr; 00059 vtkHeapNode* Next; 00060 vtkHeapNode():Ptr(0),Next(0) {}; 00061 }; 00062 //ETX 00063 00064 class VTK_COMMON_EXPORT vtkHeap : public vtkObject 00065 { 00066 public: 00067 static vtkHeap *New(); 00068 vtkTypeRevisionMacro(vtkHeap,vtkObject); 00069 void PrintSelf(ostream& os, vtkIndent indent); 00070 00072 void* AllocateMemory(size_t n); 00073 00075 char* StringDup(const char* str); 00076 00078 00079 vtkGetMacro(NumberOfAllocations,int); 00081 00082 protected: 00083 vtkHeap(); 00084 ~vtkHeap(); 00085 00086 void Add(vtkHeapNode* node); 00087 void CleanAll(); 00088 vtkHeapNode* DeleteAndNext(); 00089 00090 vtkHeapNode* First; 00091 vtkHeapNode* Last; 00092 vtkHeapNode* Current; 00093 00094 int NumberOfAllocations; 00095 private: 00096 vtkHeap(const vtkHeap&); // Not implemented. 00097 void operator=(const vtkHeap&); // Not implemented. 00098 }; 00099 00100 #endif